rebase and all changes done for optimization performance and fix test failure

.github/workflows/coverage_api21_request.yml

@@ -14,17 +14,17 @@ jobs:
 
   coverageReport:
     strategy:
-      max-parallel: 2
       matrix:
-        api-level: [21, 30, 21,30]
+        api-level: [21]
       fail-fast: false
-    runs-on: macOS-latest
+    runs-on: macos-10.15
     steps:
       - name: checkout
         uses: actions/checkout@v3
         with:
           fetch-depth: 1
-
+        env:
+          GRADLE_OPTS: "-Dorg.gradle.internal.http.connectionTimeout=60000 -Dorg.gradle.internal.http.socketTimeout=60000 -Dorg.gradle.internal.network.retry.max.attempts=6 -Dorg.gradle.internal.network.retry.initial.backOff=2000"
       - name: create instrumentation coverage
         uses: ReactiveCircus/android-emulator-runner@v2.23.0
         with:

.github/workflows/coverage_api30_request.yml

@@ -0,0 +1,44 @@
+name: Coverage Reporting
+
+on:
+  push:
+    branches:
+      - master
+      - develop
+
+  pull_request:
+    branches:
+      - '**'
+
+jobs:
+
+  coverageReport:
+    strategy:
+      matrix:
+        api-level: [30]
+      fail-fast: false
+    runs-on: macos-10.15
+    steps:
+      - name: checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 1
+        env:
+          GRADLE_OPTS: "-Dorg.gradle.internal.http.connectionTimeout=60000 -Dorg.gradle.internal.http.socketTimeout=60000 -Dorg.gradle.internal.network.retry.max.attempts=6 -Dorg.gradle.internal.network.retry.initial.backOff=2000"
+      - name: create instrumentation coverage
+        uses: ReactiveCircus/android-emulator-runner@v2.23.0
+        with:
+          api-level: ${{ matrix.api-level }}
+          arch: x86_64
+          ndk: 21.4.7075529
+          script: bash contrib/instrumentation.sh
+
+      - name: Upload screenshot result
+        uses: actions/upload-artifact@v1
+        if: failure()
+        with:
+          name: ${{ matrix.api-level }}
+          path: screencap.png
+
+      - name: create unit coverage
+        run: ./gradlew jacocoTestDebugUnitTestReport jacocoTestCustomExampleDebugUnitTestReport

app/src/androidTest/java/org/kiwix/kiwixmobile/BaseRobot.kt

@@ -21,6 +21,7 @@ package org.kiwix.kiwixmobile
 import android.R.id
 import android.app.Instrumentation
 import android.content.Context
+import androidx.test.espresso.NoMatchingViewException
 import androidx.test.platform.app.InstrumentationRegistry
 import androidx.test.uiautomator.Direction
 import androidx.test.uiautomator.UiDevice
@@ -81,9 +82,20 @@ abstract class BaseRobot(
 
   private fun waitFor(
     findable: Findable,
-    timeout: Long = VERY_LONG_WAIT
+    timeout: Long = VERY_LONG_WAIT,
-  ): UiObject2? =
+    retryCount: Int = 5
-    uiDevice.wait(Until.findObject(findable.selector(this)), timeout)
+  ): UiObject2? {
+    var uiObject2: UiObject2? = null
+    for (i in 0 until retryCount) {
+      try {
+        uiObject2 = uiDevice.wait(Until.findObject(findable.selector(this)), timeout)
+        break
+      } catch (noMatchingViewException: NoMatchingViewException) {
+        noMatchingViewException.printStackTrace()
+      }
+    }
+    return uiObject2
+  }
 
   private fun UiObject2.customSwipe(
     direction: Direction,

app/src/androidTest/java/org/kiwix/kiwixmobile/intro/IntroRobot.kt

@@ -34,13 +34,10 @@ class IntroRobot : BaseRobot() {
   private val getStarted = ViewId(R.id.get_started)
   private val viewPager = ViewId(R.id.view_pager)
 
-  init {
+  fun swipeLeft() {
     isVisible(getStarted)
     isVisible(TextId(R.string.welcome_to_the_family))
     isVisible(TextId(R.string.humankind_knowledge))
-  }
-
-  fun swipeLeft() {
     attempt(10) {
       isVisible(viewPager).swipeLeft()
       isVisible(TextId(R.string.save_books_offline))

app/src/androidTest/java/org/kiwix/kiwixmobile/main/TopLevelDestinationRobot.kt

@@ -17,8 +17,8 @@
  */
 package org.kiwix.kiwixmobile.main
 
-import com.adevinta.android.barista.interaction.BaristaSleepInteractions
 import applyWithViewHierarchyPrinting
+import com.adevinta.android.barista.interaction.BaristaSleepInteractions
 import org.kiwix.kiwixmobile.BaseRobot
 import org.kiwix.kiwixmobile.Findable.StringId.TextId
 import org.kiwix.kiwixmobile.Findable.ViewId
@@ -47,11 +47,8 @@ fun topLevel(func: TopLevelDestinationRobot.() -> Unit) =
 
 class TopLevelDestinationRobot : BaseRobot() {
 
-  init {
-    isVisible(ViewId(R.id.navigation_container))
-  }
-
   fun clickReaderOnBottomNav(func: ReaderRobot.() -> Unit) {
+    isVisible(ViewId(R.id.navigation_container))
     BaristaSleepInteractions.sleep(TestUtils.TEST_PAUSE_MS.toLong())
     clickOn(ViewId(R.id.readerFragment))
     reader(func)